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Finding the Fourth Proportional to 68,959.46, 95,158.22 and 38,742.41

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Solution

The fourth proportional to 68,959.46, 95,158.22 and 38,742.41 is: 53,461.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,959.46 : 95,158.22 = 38,742.41 : x
  2. Step 2: Convert to fraction form
    68,959.46/95,158.22 = 38,742.41/x
  3. Step 3: Cross multiply
    68,959.46x = 95,158.22 × 38,742.41
  4. Step 4: Simplify right side
    68,959.46x = 3,686,658,818.29
  5. Step 5: Solve for x
    x = 3,686,658,818.29/68,959.46
  6. Step 6: Final answer
    x = 53,461.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.